We spend a great deal of time studying history, which, let’s face it, is mostly the history of stupidity. So

---

Ignorance is the mother of all evils.

---

There is nothing more frightful than ignorance in action.

---

The noblest people are those despising wealth, learning, pleasure and life; esteeming above them poverty, ignorance, hardship and death.

---

Beware of false knowledge; it is more dangerous than ignorance.

---

The supreme crime of the church to-day is that everywhere and in all its operations and influences it is on the side of sloth of mind; that it banishes brains, it sanctifies stupidity, it canonizes incompetence.

---

Reason obeys itself; and ignorance submits to whatever is dictated to it.

---

Stupid — well, there are so many kinds of stupidity, and cleverness is one of the worst.

---

There is no vaccine against stupidity.

---

Ours may become the first civilization destroyed, not by the power of our enemies, but by the ignorance of our teachers and the dangerous nonsense they are teaching our children. In an age of artificial intelligence, they are creating artificial stupidity. ― Thomas Sowell

---